--- doc/fftw.texi.orig	Mon Nov  8 02:41:53 1999
+++ doc/fftw.texi	Sat Jun 30 13:53:48 2001
@@ -5,6 +5,12 @@
 @settitle FFTW
 @c %**end of header
 
+@dircategory C library code
+@direntry
+* FFTW: (fftw).                    Routines for computing the 
+                                   Discrete Fourier Transform.
+@end direntry
+
 @include version.texi
 @setchapternewpage odd
 @c define constant index (ct)